Cover for a drainage arrangement and a method of producing such an arrangement
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Mar 7, 2006
Grant Date -
Oct 2, 2003
app pub date -
Apr 23, 2001
filing date -
Jun 8, 2000
priority date (Note) -
Expired
status (Latency Note)
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Importance

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Abstract
The invention relates to a cover (1) for a drainage channel (2) to be installed in the ground to drain the surface of an area. The cover (1) comprises a substantially planar portion (3) which is constructed so as to cover an opening at the top of the drainage channel (2) and which comprises a projection (5) that extends upward from the planar portion (3). The projection (5) defines an inlet (7) through which the water that runs off from the surface to be drained can enter the drainage channel. In addition, the planar portion (3) defines comprises supplementary apertures (9) to receive water that has percolated down to its lower level.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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ACO SEVERIN AHLMANN GMBH & CO KG | 24782 BÜDELSDORF |
International Classification(s)

- 2001 Application Filing Year
- E01F Class
- 97 Applications Filed
- 30 Patents Issued To-Date
- 30.93 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Muller, Michael | Kiel, DE | 305 | 4499 |
# of filed Patents : 305 Total Citations : 4499 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 6 Citation Count
- E01F Class
- 0 % this patent is cited more than
- 19 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

Legal Events
Date | Code | Event | Description |
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Feb 20, 2023 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8 |
Feb 18, 2019 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4 |
Aug 18, 2015 | I | Issuance | |
Jul 29, 2015 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Sep 18, 2014 | P | Published | |
Jun 11, 2013 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:GE AVIATION SYSTEMS LLC;REEL/FRAME:031571/0529 Owner name: WOODWARD HRT, INC., CALIFORNIA Effective Date: Jun 11, 2013 |
May 21, 2013 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KOPECEK, JOSEPH THOMAS;ANAYA, JESUS;STIEG, MICHAEL ALAN;AND OTHERS;SIGNING DATES FROM 20130418 TO 20130507;REEL/FRAME:030455/0437 Owner name: GE AVIATION SYSTEMS LLC, MICHIGAN |
Mar 14, 2013 | F | Filing | |
Mar 14, 2013 | PD | Priority Date |

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